Field



(No Model.) 4 Sheets --Sheet 1. O. A. LITTLEFIELD.

LOOM.

No. 414.864. Patented Nov; 12, 1889.,

WITNESSES:

(No Model.) 4 Sheets-Sheet 2.

C. A. 'LITTLEPIELD. LOOMP No. 414,864. Patented Nov. 12, 1889..

PETERS. Photo-Lithographer Wauhinglon. D. C.

0. A. LITTLEPIELD.

' 4-Sheets-Sheet 4.

LOOM.

(No Model.)

Patented Nov. 12, 1889,

ATTORNEYS.

I UNIT D STATES PATENT OFFICE.

CHARLES A. LITTLEFIELD, OF FALL RIVER, MASSACHUSETTS, ASSIGNOR TO 'ELIAS A. TUTTLE, OF SAME PLACE.

'LOOM.

SPECIFICATION forming part of Letters Patent No. 414,864, dated November 12, 1889.

Application filed February 25, 1889. Serial No. 301,127. (No model.)

To all whom it may concern.-

Be it known that 1, CHARLES A. LITTLE- FIELD, a citizen of the United States, residing at Fall River, in the county of Bristol and 5. State of Massachusetts, have invented certain new and useful Improvements in Looms, of which the following isa' specification.

In the accompanying drawings, Figure l is a front view of part of a loom with my in- IQ vention applied thereto. Fig. 2 is a partial plan view thereof. Fig. '3 is a partial side view thereof. Fig. 4 is an elevation showing details.

showing details; and Figs. 6, 7, and 8 are re- 15 spectively a partial side view, partial front view, and partial side view, showing modifications of the pattern devices for determining the positions of the shuttle-boxes.

The shuttle-box slides horizontally upon the upper surface of the race-beam A and contains two cells. At the inner end it has an overhanginglip 0 fitted to a guideway, 0 formed in the throat-piece (J and retained in place therein by an overlying confining-plate q, held to the throat-piece by screws q q". At the outer end the shuttle-box 0 slides upon a frame 0, secured to the race-beam and provided with ears through which pass screws g g,which by engagement with the projection g on the end of the shuttle-box serve toliin-it the lateral movement in each direction of the shuttle-box. Plates g g", applied to or forming part of frame 0, project across the upper side of the shuttle-box, with a space or opening between their adjacent ends to permit the movement of the picker-stick, and constitute guides serving to prevent that shuttle which for the time being is out of action from being moved endwise into improper position. To ears 6 e on the rear side of the shuttle-box are pivoted the front ends of links 6' e, the other ends of which are pivoted to arms 6 6", fast on the shaft 6 the said shaft being journaled'in brackets d 01, secured to the racebeam A", and being bent at or near its middle portion, as shown, to avoid comin gin contact in its movement rearward with the handwheel D upon the crank-shaft A An arm e fast upon the shaft e or made integral with arm c", has jointed to it the upper end of rod e the lower end of which is jointed to Fig. 5 is a view in vertical section the horizontal rearwardly-extendiug arm of a bell-crank H, pivoted to the shoe 13, se-

cured to the lay rock-shaft B, as shown in Fig. 1. To the vertically-extending arm of bell-crank H is jointed oneend of rod H, the opposite end of which isjointed to the vertically-depending arm of a T-shaped lever or casting H, pivoted on a stud H upon the loom-side. The oppositely-extending horizontal arms of this lever H have passed theret-hrough at the ends the rods M M, upon which, below the arms of 'the lever H, are spiral springs h and nuts h. The upper ends of rods M M are connected to the levers M M, which are pivoted upon a rod m passing through the loom-side and a bracket L, made fast to the outer end of the long stud or arbor L which projects from the loom-side. These levers M M are provided with friction-rollers bearing against the periphery of a pattern-wheel M mounted on stud L and provided with lugs Z, secured to the same by screws Z, and adapted to raise the levers alternately, the projections being of sufficient length to hold each lever raised as long as may be required by the exigencies of the pattern to be produced in the cloth to be woven. At the side of pattern-wheel M and fast therewith is a notched stop-wheel Lfiwith which engages the tooth of a lockinglever m, held against the periphery of saidstop-wheel by a spring 7". A ratchet-wheel L is made fast to the stop-wheel and pattern-wheel and is engaged by the pawl n, pivoted on the arm n, mounted to oscillate upon stud L and connected by rod n" to crank-pin f, rotating with the crank-shaft A To the bracket L is also pivoted at one end the controlling-lever 72 which, in the construction represented in Fig. 3,has jointed to the same one end of rod h the opposite end of which is connected to crank-arm h", carried by the cam-shaft A the latter being rotated from the crank-shaft at one-half the rate of speed of the latter by the gears D" D,'as usual. I

By the devices and construction sofar described, as the pattern-wheel is rotated, the

projections Z thereon alternately raise the levers M M, which, through the rods M M, lever or casting I-I, rod H, bell-crank H, rod e arm a, shaft 6 arms c e, and links 6 c, move the shuttle-box backward and forward upon the upper surface of tl1erace-beam,and thus alternately present the two shuttles therein to the action of the picker-stick. Upon the elevation of either lever M the spring 71/ upon the corresponding rod M becomes compressed and serves during the movements of the lay to hold the projection in firm contact with one of the set-screws g. The crank-pin f, making one revolution at each pick of the loom, would move the pattern-wheel at each pick, were it not for the controlling-lever 71?, which, being raised at one pick and lowered at the next, by engagement with pin it 011 pawl 11, lifts said pawl from engagement with wheel L, and thus prevents the pattern-wheel from being moved 'and the shuttle box shifted until after the shuttle has been returned to the movable shuttle-box from the single-box side of the 100111.

I prefer in some instances to employ inconnection with lever 7: pattern-controlling devices for holding the same in elevated position when desired to thus occasion dwells of greater or less duration in the rotation of the pattern wheel or wheels formed or provided with the cam-surfaces which determine the position of levers M M. Thus, in the construction shown in Figs. 6 and 7, in which the pattern-wheel is replaced by simple oppo sitely-placed cam disks or wheels 0 O the lever 7L2 is not jointed to rod h, but rests in the crutch 0', applied to the side thereof, and said lever 71 is jointed to one end of a rod 0 the opposite end of which is jointed to a lever 0 resting at 0" against the periphcry of acontrollingpattern-wheel 0, provided with pins 9. These pins acting against the lever 0 serve to hold lever 7L2 elevated when desired and keep the pawl it out of engagement with the ratchet wheel L so as to produce an extended dwell in the rotation of the disks or wheels 0 0 Wheel 0 is rotated by ratchet-wheel 0, connected therewith, pawl and bell-crank lever O, jointed to the upper end of rod h. In some instances the pawl 0 may be placed under the control of the third pattern-wheel, as P in Fig. 8, in which figure the pawl 0 has jointed thereto one end of a rod 0, which is connected at its other end to a lever P, resting against the surface of the wheel P, the latter being rotated by means of ratchet-wheel P pawl s, and bell-crank lever s", also jointed to the upper end of rod 71.

Brackets c depend from the shuttle-box at front and rear of the race-beam. To'these brackets are pivoted levers b the lower ends of which are turned toward each other, as shown in Fig. 5, and are beveled, as represented. The protector-shaft a ,-1nounted in bearings on the lay and carrying dagger y, engaging the frog or hunter y on the loomframe, as usual, carries an arm 0 at one end,

which arm is provided with a stud 0 adapted to bear upon the upper side of the horizontal arm of one or the other .of the levers I), accordingas the shuttle-box is in its forward or its rearward position. The upper ends of the levers b b rest against the binders c cof the shuttle-box, and the levers are moved thereby on the entrance of the shuttles into the box, their horizontal arms acting upon stud c to rock the protector-shaft and lift the dagger out of position for engagement with the frog F.

g is a check against which the picker-stick rests when at the outward extreme of its movement. This check g is a curved arm mounted on a shaft g passing through depending lugs secured to the raee-beam and having, at one end thereof the arm to which is connected the upper end of rod 1 the lower end of which is pivoted to an arm projecting from a lever J, pivoted on the footmotion stock 13. The upper end of the lever J is connected by rod J to the end of the downwardly-projecting arm J, mounted on the shaft J which latter is journaled in brackets 70, secured to the loom-side and provided with an arm J projecting laterally beneath the adjacent picking-cam a, it carrying a picking-bowl d. A spring J draws the arm J upwardly into contact with the cam a and normally holds the check g in position to arrest the picker-stick in its outward movement at a point where it will arrest the shuttle, with its point just inside the guide-plates g g". Just before the time at which a change is to be made in the position of the shuttle-box the picking-cam a de presses arm J rocking shaft J and turns lever J, so that its upper extremity pushes against the picker-stick a carrying its upper end outward. The picker-sticks (only one stick is shown) (1 are operated by means of shaft A cams a a, bowls a a, arms (t a shafts a a", arms I) b, and straps b, all as shown in Fig. 1, being held in their retracted or outer position by means of springs f, as usual.

Having thus described my invention, I claim 1. The combination, with the lay and the horizontally-sliding shuttle-box, of the shaft 6 connected with the shuttle-box, an arm on said shaft, rod 6 bell-crank H, rod 11', lever 1-1, and means for oscillating said lever l-I, substantially as described.

2. The combination, with the lay and the horizontally-sliding shuttle-box, of the shaft 6 connected with the shuttle-box, an arm on said shaft, rod 6 bell-crank lI, rod H, lever 11, rods M, levers M M, and a pattern surface or surfaces for alternately raising said levers, substantially as described.

3. The combination, with the lay and the horizontally-slidingshuttle-box, of shaft 6 connected with the shuttle-box, rod a, bellcrank 11, rod H,lever II, rods M M, springs h h, levers M M, and a pattern surface or surfaces for alternately raising said levers, substantially as described.

4. The combination, with the pattern-wheel, its ratchet-wheel and pawl, the crank-shaft, and means for actuating said pawl at every revolution of the crank-shaft, of lever k rod 71', crank h", and the cam-shaft, whereby the pawl is lifted out of the teeth of the ratchet at every alternate revolution of the crank-shaft, substantially as described.

5. The combination, with the pattern-wheel, its ratchet and pawl, the crank-shaft, and means for actuating said pawl at every revolution of the crank-shaft, of rod h', crank h, the cam-shaft, lever 71 rod 0 lever 0 a controlling pattern-surface, and means for actuating said pattern-surface, substantially as described.

6. The cornbinatiomwith the pattern-wheel, its ratchet and pawl, the crank-shaft, and means for actuating the pawl to move the ratchet and pattern-Wheel at every revolution of the crank-shaft, of lever 71?, rod h crank h", the cam-shaft, bell-crank O, pawl 0",', ratchet 0", pattern -wheel 0, lever 0 and rod 0 substantiallyas described.

7. The combination, with the pattern-wheel, its ratchet and pawl, the crank-shaft, and means for actuating the pawl from the crankshaft, of lever h rod h, crank h", the camcarried by said box, and the levers pivoted to said brackets, bearing at their upper ends against the shuttle-binders and adapted for engagement with said arm of the protectorshaft, substantially as described.

9. The combination, with the picker-stick, of check g arm 9 rod g lever J, adapted to bear at its upper end against the pickerstick, shaft J and its arms, rod J, and cam a, substantially as described. I

In testimony whereof I have hereunto signed my name in the presence of two witnesses.

CHARLES A. LITTLEFIELD. Vitnesses:

THos. T. BRADY, ELIAS A. TUTTLE.

sliding shuttle-box, its binders, the brackets 

